212100220222012 has 24 divisors (see below), whose sum is σ = 371858238864000. Its totient is φ = 105855137357376.

The previous prime is 212100220222001. The next prime is 212100220222039. The reversal of 212100220222012 is 210222022001212.

212100220222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9412012 + ... + 22644787.

It is an arithmetic number, because the mean of its divisors is an integer number (15494093286000).

Almost surely, 2^{212100220222012} is an apocalyptic number.

It is an amenable number.

212100220222012 is a deficient number, since it is larger than the sum of its proper divisors (159758018641988).

212100220222012 is a wasteful number, since it uses less digits than its factorization.

212100220222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059845 (or 32059843 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212100220222012 its reverse (210222022001212), we get a palindrome (422322242223224).

The spelling of 212100220222012 in words is "two hundred twelve trillion, one hundred billion, two hundred twenty million, two hundred twenty-two thousand, twelve".